Enum AttributeAction 

pub enum AttributeAction<'a> {
    Add {
        add_attribute_span: Span,
        attribute_name: Identifier<'a>,
        data_type: DataType<'a>,
        collate: Option<(Span, QualifiedName<'a>)>,
        cascade_or_restrict: Option<CascadeOrRestrict>,
    },
    Drop {
        drop_attribute_span: Span,
        if_exists_span: Option<Span>,
        attribute_name: Identifier<'a>,
        cascade_or_restrict: Option<CascadeOrRestrict>,
    },
    Alter {
        alter_attribute_span: Span,
        attribute_name: Identifier<'a>,
        set_data_span: Option<Span>,
        type_span: Span,
        data_type: DataType<'a>,
        collate: Option<(Span, QualifiedName<'a>)>,
        cascade_or_restrict: Option<CascadeOrRestrict>,
    },
}

Attribute actions for composite types

Variants

Add

ADD ATTRIBUTE attribute_name data_type [ COLLATE collation ] [ CASCADE | RESTRICT ]

Fields

add_attribute_span: Span

attribute_name: Identifier<'a>

data_type: DataType<'a>

collate: Option<(Span, QualifiedName<'a>)>

cascade_or_restrict: Option<CascadeOrRestrict>

Drop

DROP ATTRIBUTE [ IF EXISTS ] attribute_name [ CASCADE | RESTRICT ]

Fields

drop_attribute_span: Span

if_exists_span: Option<Span>

attribute_name: Identifier<'a>

cascade_or_restrict: Option<CascadeOrRestrict>

Alter

ALTER ATTRIBUTE attribute_name [ SET DATA ] TYPE data_type [ COLLATE collation ] [ CASCADE | RESTRICT ]

Fields

alter_attribute_span: Span

attribute_name: Identifier<'a>

set_data_span: Option<Span>

type_span: Span

data_type: DataType<'a>

collate: Option<(Span, QualifiedName<'a>)>

cascade_or_restrict: Option<CascadeOrRestrict>

Trait Implementations

impl<'a> Clone for AttributeAction<'a>

fn clone(&self) -> AttributeAction<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for AttributeAction<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> Spanned for AttributeAction<'a>

fn span(&self) -> Span

Compute byte span of an ast fragment

fn join_span(&self, other: &impl OptSpanned) -> Span

Compute the minimal span containing both self and other